†subfamily Trophisininae Cooper and Grant 1976 (lamp shell)
Rhynchonellata - Rhynchonellida - Wellerellidae
Parent taxon: Wellerellidae according to A. Williams et al. 2002
Sister taxa: Cirpinae, Exlaminellinae, Madarosiinae, Nipponirhynchiinae, Saubachia, Strigirhynchiinae, Tricoriinae, Uncinunellininae, Wellerellinae
Subtaxa: Trophisina
Type: Trophisina
Ecology: stationary epifaunal suspension feeder
Distribution:
• Permian of United States (6: Texas collections)
Total: 6 collections each including a single occurrence